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Finding the Fourth Proportional to 67,889.77, 93,694.80 and 37,675.30

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Solution

The fourth proportional to 67,889.77, 93,694.80 and 37,675.30 is: 51,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,889.77 : 93,694.80 = 37,675.30 : x
  2. Step 2: Convert to fraction form
    67,889.77/93,694.80 = 37,675.30/x
  3. Step 3: Cross multiply
    67,889.77x = 93,694.80 × 37,675.30
  4. Step 4: Simplify right side
    67,889.77x = 3,529,979,698.44
  5. Step 5: Solve for x
    x = 3,529,979,698.44/67,889.77
  6. Step 6: Final answer
    x = 51,995.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.